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Insights into Imaging

Table 1 Parameters of the MRI sequences used for image analysis

From: Double inversion recovery MRI versus contrast-enhanced MRI for evaluation of knee synovitis in juvenile idiopathic arthritis

Sequence

GBCA

TR (ms)

TE (ms)

TE spacing (ms)

TSE factor

FOV (mm)

Acquisition matrix

Section thickness (mm)

Slice gap (mm)

Reconstruction voxel size

Compressed SENSE reduction factor

DIR

No

8343

25

8

11

AP 140 × RL 140 × FH 98.69

280 × 207

3

0.3

0.365 × 0.365

4

T1-weighteda

Yes

7.9

2.4

1.7

N/A

AP 150 × RL 142 × FH 130

200 × 191

2.5

0

0.469 × 0.469

N/A

  1. DIR, double inversion recovery; GBCA, gadolinium-based contrast agent; TR, repetition time; TE, echo time; TSE, turbo spin echo; FOV, field of view; AP, anterior/posterior direction; RL, right/left direction; FH, foot/head direction; SENSE, sensitivity encoding; N/A, not applicable
  2. aFat suppression
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